The folder order in Microsoft Outlook mobile will sync with Outlook web, Mac, and Windows platforms starting early May 2025 and completing by late June 2025. Folder re-ordering must be done on non-mobile platforms. This feature is automatic and cannot be turned off. No admin action is required.
Applies to: Exchange Online · Microsoft 365 apps
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).